2.6
METAL-TO-METAL JOINTS
Set in mastic, using type recommended by window manufacturer to provide
weathertight joints. Remove excess mastic before it hardens.
2.7
ACCESSORIES
Provide windows with hardware, clips, fins, anchors, glazing beads, and
fastenings, necessary for complete installation and operation of
ventilators.
2.7.1
Anchors
Use hot-dip galvanized steel anchors. Secure anchors and fastenings to
heads, jambs, and sills of openings, and fasten securely to windows or
frames. Use anchors recommended by window manufacturer for specific type
of construction and conceal. Anchor each frame at jambs with minimum of
three adjustable steel anchors. [Provide perforated anchor stems for
mortar keying with anchor flanges of sufficient width to provide sliding
friction fit inside frames. Extend perforated stems not less than 100 mm 4
inches into masonry.] [For anchorage at concrete walls and prepared
openings, equip frames with manufacturer's standard bent-clips located
approximately 150 mm 6 inches from each end and at midpoint.]
2.7.2
Window-Cleaners' Anchors
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NOTE: Where sills are more than 2 meters 6 feet
above grade, adjoining balconies, or adjoining
roofs, specify window-cleaners' anchors unless
window cleaning methods at installation make use of
anchors unnecessary. Coordinate requirements with
the user.
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Provide on window frames [at indicated locations] [for [_____]]. Use
double-head stainless steel anchors conforming to ASME A39.1, two for each
single window [and each adjacent fixed glass window unit.] Locate 1120 mm
44 inches above window sill. Apply to frames at factory or ship loose for
field attachment to frames before windows are set. Reinforce backs of
frames to receive bolts with 6 mm 0.25 inch thick by 150 mm 6 inch long
steel plates welded or fastened securely to frames at factory. Provide
special wall anchors on backs of frames at points where bolts are located.
2.7.3
Weatherstripping
Provide on all operable windows so that, when tested before leaving
factory, in accordance with ASTM E 283, air infiltration shall not exceed
0.05 cubic meter per minute per meter one half cubic foot per minute per
foot of crack length when subjected to static pressure of 75 Pa 1.56 pounds
per square foot equivalent to wind velocity of 40 kmh 25 mph.
2.7.4
Hardware
Equip all operable sash with latching device which can be secured from
inside. The item, type, and function of hardware required is specified
under individual window type. Attach hardware securely to windows with
corrosion resisting bolts or machine screws; do not use sheet metal screws.
SECTION 08510
Page 10
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